The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
Now what's interesting and will immediately make sense to you as to why this is important is that the rate of blinking is controlled by dopamine. So what this means is that dopamine is controlling attention. Blinks relate to attention and focus, and therefore the dopamine and blinking system is one way that you constantly modulate and update your perception of time and fortunately, it's also one that you can control.
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
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So blink frequency is a common measure in studies of dopamine within this pathway that relate to creativity.
When dopamine levels are lower or less active in this pathway, people tend to blink less.
we can state very confidently that when dopamine levels are elevated, the blinking reflex is more active. People just blink more.